Color Coated Steel Coil ,gi,GI or PPGI,prepainted galvanized steel coils,GI AND PPGI,,construction and roofing ISO As Shanghai Sangshan Machine Co., Ltd ... Steel Coil ,gi,GI or PPGI,prepainted galvanized steel coils,GI AND PPGI,,construction and roofing Standard: JISMaterial: GI steel, PPGI steelGrad: SGCCThickness: 0.15mm ...